215915868

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1$

素因数の和:174

約数の個数: 240

約数和(自身を含む): 692127744

約数和(自身を除く): 476211876

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 31, 36, 37, 42, 54, 62, 63, 74, 81, 83, 84, 93, 108, 111, 124, 126, 148, 162, 166, 186, 189, 217, 222, 249, 252, 259, 279, 324, 332, 333, 372, 378, 434, 444, 498, 518, 558, 567, 581, 651, 666, 747, 756, 777, 837, 868, 996, 999, 1036, 1116, 1134, 1147, 1162, 1302, 1332, 1494, 1554, 1674, 1743, 1953, 1998, 2241, 2268, 2294, 2324, 2331, 2511, 2573, 2604, 2988, 2997, 3071, 3108, 3348, 3441, 3486, 3906, 3996, 4482, 4588, 4662, 5022, 5146, 5229, 5859, 5994, 6142, 6723, 6882, 6972, 6993, 7719, 7812, 8029, 8964, 9213, 9324, 10044, 10292, 10323, 10458, 11718, 11988, 12284, 13446, 13764, 13986, 15438, 15687, 16058, 17577, 18011, 18426, 20646, 20916, 20979, 21497, 23157, 23436, 24087, 26892, 27639, 27972, 30876, 30969, 31374, 32116, 35154, 36022, 36852, 41292, 41958, 42994, 46314, 47061, 48174, 54033, 55278, 61938, 62748, 64491, 69471, 70308, 72044, 72261, 82917, 83916, 85988, 92628, 92907, 94122, 95201, 96348, 108066, 110556, 123876, 128982, 138942, 144522, 162099, 165834, 185814, 188244, 190402, 193473, 208413, 216132, 216783, 248751, 257964, 277884, 285603, 289044, 324198, 331668, 371628, 380804, 386946, 416826, 433566, 486297, 497502, 571206, 580419, 648396, 650349, 666407, 773892, 833652, 856809, 867132, 972594, 995004, 1142412, 1160838, 1300698, 1332814, 1458891, 1713618, 1741257, 1945188, 1999221, 2321676, 2570427, 2601396, 2665628, 2917782, 3427236, 3482514, 3998442, 5140854, 5835564, 5997663, 6965028, 7711281, 7996884, 10281708, 11995326, 15422562, 17992989, 23990652, 30845124, 35985978, 53978967, 71971956, 107957934, 215915868]

約数ペア:

[(1, 215915868), (2, 107957934), (3, 71971956), (4, 53978967), (6, 35985978), (7, 30845124), (9, 23990652), (12, 17992989), (14, 15422562), (18, 11995326), (21, 10281708), (27, 7996884), (28, 7711281), (31, 6965028), (36, 5997663), (37, 5835564), (42, 5140854), (54, 3998442), (62, 3482514), (63, 3427236), (74, 2917782), (81, 2665628), (83, 2601396), (84, 2570427), (93, 2321676), (108, 1999221), (111, 1945188), (124, 1741257), (126, 1713618), (148, 1458891), (162, 1332814), (166, 1300698), (186, 1160838), (189, 1142412), (217, 995004), (222, 972594), (249, 867132), (252, 856809), (259, 833652), (279, 773892), (324, 666407), (332, 650349), (333, 648396), (372, 580419), (378, 571206), (434, 497502), (444, 486297), (498, 433566), (518, 416826), (558, 386946), (567, 380804), (581, 371628), (651, 331668), (666, 324198), (747, 289044), (756, 285603), (777, 277884), (837, 257964), (868, 248751), (996, 216783), (999, 216132), (1036, 208413), (1116, 193473), (1134, 190402), (1147, 188244), (1162, 185814), (1302, 165834), (1332, 162099), (1494, 144522), (1554, 138942), (1674, 128982), (1743, 123876), (1953, 110556), (1998, 108066), (2241, 96348), (2268, 95201), (2294, 94122), (2324, 92907), (2331, 92628), (2511, 85988), (2573, 83916), (2604, 82917), (2988, 72261), (2997, 72044), (3071, 70308), (3108, 69471), (3348, 64491), (3441, 62748), (3486, 61938), (3906, 55278), (3996, 54033), (4482, 48174), (4588, 47061), (4662, 46314), (5022, 42994), (5146, 41958), (5229, 41292), (5859, 36852), (5994, 36022), (6142, 35154), (6723, 32116), (6882, 31374), (6972, 30969), (6993, 30876), (7719, 27972), (7812, 27639), (8029, 26892), (8964, 24087), (9213, 23436), (9324, 23157), (10044, 21497), (10292, 20979), (10323, 20916), (10458, 20646), (11718, 18426), (11988, 18011), (12284, 17577), (13446, 16058), (13764, 15687), (13986, 15438)]